- Add support of early console and polling mode in stm32-usart driver. - Avoid a possible infinite loop in putchar function. Changes since v2: - Do not add "stm32" parameter in kernel-parameters.txt Changes since v1: - Fix warning "unused variable 'ret'" Valentin Caron (3): serial: stm32: remove infinite loop possibility in putchar function serial: stm32: add KGDB support serial: stm32: add earlycon support drivers/tty/serial/Kconfig | 1 + drivers/tty/serial/stm32-usart.c | 100 +++++++++++++++++++++++++++++-- drivers/tty/serial/stm32-usart.h | 2 + 3 files changed, 98 insertions(+), 5 deletions(-) -- 2.25.1
